#ifndef __AES_CRYPT__
#define __AES_CRYPT__

#define Nb 4			// number of columns in the state & expanded key

#define Nk 4			// number of columns in a key
#define Nr 10			// number of rounds in encryption
void AES_ExpandKey (unsigned char *key,unsigned char *expkey);
void AES_Decrypt (char *in, unsigned char *expkey, char *out);
void AES_Encrypt (char *in, unsigned char *expkey, char *out);
#endif







